EP4294009A3 - Bi-prediction for video coding - Google Patents
Bi-prediction for video coding Download PDFInfo
- Publication number
- EP4294009A3 EP4294009A3 EP23207616.6A EP23207616A EP4294009A3 EP 4294009 A3 EP4294009 A3 EP 4294009A3 EP 23207616 A EP23207616 A EP 23207616A EP 4294009 A3 EP4294009 A3 EP 4294009A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- prediction
- bdof
- coding
- weights
- enabled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 abstract 2
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
- 238000007670 refining Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862736790P | 2018-09-26 | 2018-09-26 | |
US201862786641P | 2018-12-31 | 2018-12-31 | |
PCT/US2019/053088 WO2020069076A1 (en) | 2018-09-26 | 2019-09-26 | Bi-prediction for video coding |
EP19783923.6A EP3857886B1 (en) | 2018-09-26 | 2019-09-26 | Bi-prediction for video coding |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19783923.6A Division EP3857886B1 (en) | 2018-09-26 | 2019-09-26 | Bi-prediction for video coding |
EP19783923.6A Division-Into EP3857886B1 (en) | 2018-09-26 | 2019-09-26 | Bi-prediction for video coding |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4294009A2 EP4294009A2 (en) | 2023-12-20 |
EP4294009A3 true EP4294009A3 (en) | 2024-02-28 |
Family
ID=69950792
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19783923.6A Active EP3857886B1 (en) | 2018-09-26 | 2019-09-26 | Bi-prediction for video coding |
EP23207616.6A Pending EP4294009A3 (en) | 2018-09-26 | 2019-09-26 | Bi-prediction for video coding |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19783923.6A Active EP3857886B1 (en) | 2018-09-26 | 2019-09-26 | Bi-prediction for video coding |
Country Status (10)
Country | Link |
---|---|
US (2) | US11553206B2 (zh) |
EP (2) | EP3857886B1 (zh) |
JP (2) | JP7398442B2 (zh) |
KR (1) | KR20210077671A (zh) |
CN (1) | CN112806005B (zh) |
CA (1) | CA3114103A1 (zh) |
SG (1) | SG11202103016RA (zh) |
TW (1) | TW202029755A (zh) |
WO (1) | WO2020069076A1 (zh) |
ZA (1) | ZA202101992B (zh) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7450611B2 (ja) * | 2018-10-02 | 2024-03-15 | インターデジタル ヴイシー ホールディングス, インコーポレイテッド | 一般化された双予測および重み付き予測 |
WO2020084465A1 (en) | 2018-10-22 | 2020-04-30 | Beijing Bytedance Network Technology Co., Ltd. | Simplified coding of generalized bi-directional index |
CN113330747A (zh) * | 2019-01-14 | 2021-08-31 | 交互数字Vc控股公司 | 利用适应于加权预测的双向光流进行视频编码和解码的方法和装置 |
US11190797B2 (en) * | 2019-03-01 | 2021-11-30 | Qualcomm Incorporated | Constraints on decoder-side motion vector refinement based on weights for bi-predicted prediction |
SG11202112279WA (en) | 2019-05-11 | 2021-12-30 | Beijing Bytedance Network Technology Co Ltd | Selective use of coding tools in video processing |
WO2020236719A2 (en) | 2019-05-19 | 2020-11-26 | Bytedance Inc. | Transform design for large blocks in video coding |
KR20220009952A (ko) | 2019-05-21 | 2022-01-25 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 서브블록 머지 모드에서의 신택스 시그널링 |
CN114175655B (zh) | 2019-07-27 | 2024-01-02 | 北京字节跳动网络技术有限公司 | 根据参考图片类型使用工具的限制 |
KR20220073752A (ko) | 2019-10-12 | 2022-06-03 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 비디오 코딩 툴들을 위한 상위 레벨 신택스 |
KR20220078600A (ko) | 2019-10-18 | 2022-06-10 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 서브픽처들의 파라미터 세트 시그널링에서의 신택스 제약들 |
CN115606183A (zh) * | 2020-04-07 | 2023-01-13 | 抖音视界有限公司(Cn) | 参考图片环绕的剪裁操作 |
CN115486064A (zh) | 2020-04-10 | 2022-12-16 | 抖音视界有限公司 | 标头语法元素和自适应参数集的使用 |
WO2021209061A1 (en) | 2020-04-17 | 2021-10-21 | Beijing Bytedance Network Technology Co., Ltd. | Presence of adaptation parameter set units |
KR20230002447A (ko) | 2020-04-26 | 2023-01-05 | 바이트댄스 아이엔씨 | 비디오 코딩 신택스 요소의 조건적 시그널링 |
US11863774B2 (en) * | 2021-01-15 | 2024-01-02 | Tencent America LLC | Method and apparatus for video coding |
US20230171405A1 (en) * | 2021-11-30 | 2023-06-01 | Tencent America LLC | Scene transition detection based encoding methods for bcw |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017197146A1 (en) * | 2016-05-13 | 2017-11-16 | Vid Scale, Inc. | Systems and methods for generalized multi-hypothesis prediction for video coding |
US20180192072A1 (en) * | 2017-01-04 | 2018-07-05 | Qualcomm Incorporated | Motion vector reconstructions for bi-directional optical flow (bio) |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8995527B2 (en) * | 2010-02-19 | 2015-03-31 | Qualcomm Incorporated | Block type signalling in video coding |
EP3304907B1 (en) * | 2015-06-08 | 2022-03-23 | VID SCALE, Inc. | Intra block copy mode for screen content coding |
KR20180008445A (ko) | 2015-06-10 | 2018-01-24 | 삼성전자주식회사 | 적응적 가중치 예측을 위한 신택스 시그널링을 이용하여 영상을 부호화 또는 복호화하는 방법 및 장치 |
US10271064B2 (en) * | 2015-06-11 | 2019-04-23 | Qualcomm Incorporated | Sub-prediction unit motion vector prediction using spatial and/or temporal motion information |
CN106331703B (zh) * | 2015-07-03 | 2020-09-08 | 华为技术有限公司 | 视频编码和解码方法、视频编码和解码装置 |
US10375413B2 (en) * | 2015-09-28 | 2019-08-06 | Qualcomm Incorporated | Bi-directional optical flow for video coding |
US10200719B2 (en) * | 2015-11-25 | 2019-02-05 | Qualcomm Incorporated | Modification of transform coefficients for non-square transform units in video coding |
CN108541375B (zh) * | 2016-02-03 | 2022-04-12 | 夏普株式会社 | 运动图像解码装置、运动图像编码装置、以及预测图像生成装置 |
US20180060562A1 (en) * | 2016-09-01 | 2018-03-01 | Lenovo (Singapore) Pte. Ltd. | Systems and methods to permit an attempt at authentication using one or more forms of authentication |
US10674165B2 (en) * | 2016-12-21 | 2020-06-02 | Arris Enterprises Llc | Constrained position dependent intra prediction combination (PDPC) |
US10750203B2 (en) * | 2016-12-22 | 2020-08-18 | Mediatek Inc. | Method and apparatus of adaptive bi-prediction for video coding |
US20180184101A1 (en) * | 2016-12-23 | 2018-06-28 | Apple Inc. | Coding Mode Selection For Predictive Video Coder/Decoder Systems In Low-Latency Communication Environments |
US10701366B2 (en) * | 2017-02-21 | 2020-06-30 | Qualcomm Incorporated | Deriving motion vector information at a video decoder |
WO2018173895A1 (ja) * | 2017-03-21 | 2018-09-27 | シャープ株式会社 | 予測画像生成装置、動画像復号装置、および動画像符号化装置 |
US10904565B2 (en) * | 2017-06-23 | 2021-01-26 | Qualcomm Incorporated | Memory-bandwidth-efficient design for bi-directional optical flow (BIO) |
WO2019223746A1 (en) * | 2018-05-23 | 2019-11-28 | Mediatek Inc. | Method and apparatus of video coding using bi-directional cu weight |
WO2019234578A1 (en) * | 2018-06-05 | 2019-12-12 | Beijing Bytedance Network Technology Co., Ltd. | Asymmetric weighted bi-predictive merges |
-
2019
- 2019-09-25 TW TW108134563A patent/TW202029755A/zh unknown
- 2019-09-26 JP JP2021516970A patent/JP7398442B2/ja active Active
- 2019-09-26 WO PCT/US2019/053088 patent/WO2020069076A1/en unknown
- 2019-09-26 EP EP19783923.6A patent/EP3857886B1/en active Active
- 2019-09-26 CA CA3114103A patent/CA3114103A1/en active Pending
- 2019-09-26 EP EP23207616.6A patent/EP4294009A3/en active Pending
- 2019-09-26 US US17/280,175 patent/US11553206B2/en active Active
- 2019-09-26 SG SG11202103016RA patent/SG11202103016RA/en unknown
- 2019-09-26 CN CN201980063042.0A patent/CN112806005B/zh active Active
- 2019-09-26 KR KR1020217009221A patent/KR20210077671A/ko active Search and Examination
-
2021
- 2021-03-24 ZA ZA2021/01992A patent/ZA202101992B/en unknown
-
2023
- 2023-01-09 US US18/094,515 patent/US20230179795A1/en active Pending
- 2023-12-04 JP JP2023204572A patent/JP2024023521A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017197146A1 (en) * | 2016-05-13 | 2017-11-16 | Vid Scale, Inc. | Systems and methods for generalized multi-hypothesis prediction for video coding |
US20180192072A1 (en) * | 2017-01-04 | 2018-07-05 | Qualcomm Incorporated | Motion vector reconstructions for bi-directional optical flow (bio) |
Non-Patent Citations (2)
Title |
---|
CHEN J ET AL: "Algorithm description for Versatile Video Coding and Test Model 6 (VTM 6)", no. m49914, 10 September 2019 (2019-09-10), XP030208573, Retrieved from the Internet <URL:http://phenix.int-evry.fr/mpeg/doc_end_user/documents/127_Gothenburg/wg11/m49914-JVET-O2002-v2-JVET-O2002-v2.zip JVET-O2002-v2.docx> [retrieved on 20190910] * |
XIU (INTERDIGITAL) X ET AL: "CE9-related: A simplified bi-directional optical flow (BIO) design based on the combination of CE9.5.2 test 1 and CE9.5.3", no. JVET-K0485, 11 July 2018 (2018-07-11), XP030199487, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/11_Ljubljana/wg11/JVET-K0485-v1.zip JVET-K0485.docx> [retrieved on 20180711] * |
Also Published As
Publication number | Publication date |
---|---|
JP7398442B2 (ja) | 2023-12-14 |
CA3114103A1 (en) | 2020-04-02 |
EP3857886B1 (en) | 2024-04-03 |
EP4294009A2 (en) | 2023-12-20 |
WO2020069076A1 (en) | 2020-04-02 |
SG11202103016RA (en) | 2021-04-29 |
US20230179795A1 (en) | 2023-06-08 |
US20220007048A1 (en) | 2022-01-06 |
EP3857886A1 (en) | 2021-08-04 |
JP2022502924A (ja) | 2022-01-11 |
CN112806005A (zh) | 2021-05-14 |
ZA202101992B (en) | 2023-10-25 |
TW202029755A (zh) | 2020-08-01 |
US11553206B2 (en) | 2023-01-10 |
CN112806005B (zh) | 2024-04-23 |
JP2024023521A (ja) | 2024-02-21 |
KR20210077671A (ko) | 2021-06-25 |
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